世界最小的洲和最小的洋的组合是 ( )
A:大洋洲、北冰洋
B:大洋洲、印度洋
C:欧洲、印度洋
D:南美洲、大西洋
— My eyesight is getting worse these days. I'd like to have my eyes ______.
— Perhaps you should consider ______ the time on the computer.
如果执行如图的程序框图,那么输出的值是( )
本初子午线是
仔细观察下图,图中人物的做法( )